Is the process that wears away surfaces and moves them from one place to another by gravity, glaciers and water.

In stage 2 farmers used the land primarily to grow food for their families and their small communities.

On the map below, which of the following rivers is identified by blue? the huang he river the yangtze river the han river the naktong river

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?